[kennywinker]

I'm not certain, but I suspect it's because step sequencers are a fairly limiting way of looking at melodies. I've not used FL Studio's but I've used many hardware step sequencers, and it's very hard to coax music out of them that doesn't feel very... grid-y? You don't get access to the kinds of nuance in terms of note start and note length that make performances sound human and not... sequenced.

I mean, basically all DAWs have a grid view where you can see notes on a grid and zoom in and out on that grid. If you zoom out to 1/16 notes, that's basically a step sequencer view... but then you can zoom in when you want to add 1/32 or 1/64 note complexity.